index_special_region.texi:46: warning: @cindex missing argument
index_special_region.texi:47: warning: missing name for @deffn
index_special_region.texi:48: warning: missing name for @deffnx
index_special_region.texi:49: warning: missing name for @deffnx
index_special_region.texi:52: ftable requires an argument: the formatter for @item
index_special_region.texi:53: warning: @item missing argument
